{
  "updated": "2026-10-10",
  "connector": "J6",
  "footprint": "SmartDB:USB_A_TE_292303-7_Horizontal_Edge",
  "position_mm": [
    103,
    117.3
  ],
  "pinout": {
    "1": "LOGIC_5V_FUSED -> USB VBUS +5V",
    "2": "D- intentionally NC",
    "3": "D+ intentionally NC",
    "4": "BGND -> USB GND",
    "SH": "BGND -> cable shield"
  },
  "cable": "Short USB-A plug to micro-USB plug cable into ESP32-CAM-MB base; use low-resistance power conductors, target <=0.2 m. Validate voltage at the complete camera assembly under startup, flash and Wi-Fi activity.",
  "data_interface": "J6 is camera power only, not a USB host or USB charging port. D+/D- are intentionally NC. Wi-Fi image transfer needs suitable firmware; current repository camera firmware is diagnostic and does not implement a streaming server.",
  "source": "J2 regulated 5 V -> F1 pin 1 -> F1 pin 2 -> independent branch -> J6 pin 1",
  "input_supply_target": "regulated 5 V, 2 A capable; shared fuse and thermal constraints still apply",
  "shared_fuse": {
    "part": "046701.5NRHF",
    "type": "one-time fast-acting",
    "rating_A": 1.5,
    "continuous_derating_factor_at_25C": 0.75,
    "continuous_allowance_A_at_25C": 1.125,
    "datasheet_example_allowance_A_at_70C": 0.9,
    "dedicated_camera_current_limiter": false
  },
  "provisional_current_budget_A": {
    "other_board_loads_at_5V_input": 0.6,
    "combined": 1.1,
    "measured": false,
    "ESP32_CAM_and_MB_base": 0.5
  },
  "manufacturer_camera_figures": {
    "flash_off_mA_at_5V": 180,
    "flash_max_mA_at_5V": 310,
    "these_are_not_guaranteed_startup_or_peak_limits": true
  },
  "routing": {
    "main_branch_width_mm": 1,
    "fuse_pad_connection_width_mm": 0.75,
    "feed_vias": {
      "count": 2,
      "diameter_mm": 0.8,
      "drill_mm": 0.4
    },
    "capacitor_ground_vias": 2,
    "capacitor_power_vias": 0,
    "original_segments_preserved": 589,
    "original_vias_preserved": 80,
    "new_segments": 19,
    "new_vias": 8,
    "rough_new_power_copper_resistance_ohm": 0.04518,
    "resistance_calculation_scope": "Conservative sum of all new power segments including parallel and bypass branches at 20C, nominal 35um copper. Excludes vias, planes, upstream copper, contacts, fuse and cable; not thermal qualification.",
    "connector_power_vias": 2,
    "connector_ground_vias": 2,
    "connector_pad_connection_width_mm": 0.75
  },
  "decoupling": {
    "C25": "10uF 16V X7R 0805",
    "C26": "100nF 16V X7R 0603",
    "component_selection": "Nominal specifications; final MPN and effective capacitance under DC bias to be checked"
  },
  "validation": {
    "erc_violations": 0,
    "drc_violations": 0,
    "unconnected": 0,
    "schematic_parity": 0,
    "step_export_exit_code": 0,
    "hardware_current_thermal_startup_and_voltage_drop_validated": false
  },
  "sources": {
    "connector": "https://www.te.com/en/product-292303-7.html",
    "fuse": "https://www.littelfuse.com/assetdocs/fuse-467-datasheet?assetguid=4a59f034-1cca-460e-a5ba-e1e66247c76d",
    "camera_manufacturer_datasheet_mirror": "https://components101.com/sites/default/files/component_datasheet/ESP32-CAM_datasheet.pdf",
    "connector_manufacturer_drawing_mirror": "https://static.chipdip.ru/lib/525/DOC059525824.pdf",
    "camera_base": "https://www.olimex.com/Products/IoT/ESP32/ESP32-CAM/"
  },
  "part": "TE Connectivity 292303-7",
  "mechanical": {
    "mounting": "Four SMD contacts with two through-hole shell anchors",
    "manufacturer_recommended_board_thickness_mm": 1.42,
    "project_board_thickness_mm": 1.6,
    "fit_validation": "Manufacturer drawing has 3.61 mm shell legs; retention and soldering on the selected 1.6 mm board must be confirmed with actual parts before fabrication release.",
    "local_footprint_change": "Only three front-flange silkscreen segments moved to F.Fab to clear board edge; pads and model unchanged from KiCad library."
  }
}